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Explore the second lecture on Large N Quantum Chromodynamics (QCD) delivered by Gautam Mandal as part of the School for Advanced Topics in Particle Physics at the International Centre for Theoretical Sciences. Delve into advanced concepts of QCD in the large N limit, where N represents the number of colors in the gauge theory, providing a powerful theoretical framework for understanding strong interactions. Learn how the large N expansion serves as a systematic approach to simplify complex QCD calculations and gain insights into non-perturbative phenomena. Examine the mathematical techniques and physical principles underlying this approximation method, which has proven instrumental in theoretical particle physics research. Discover how large N QCD connects to string theory and provides a bridge between gauge theories and gravitational theories through the AdS/CFT correspondence. This lecture forms part of a comprehensive two-week program designed for postdoctoral fellows and advanced PhD students with solid backgrounds in quantum field theory, focusing on effective field theories and their applications in particle physics from low-energy nuclear physics to high-energy phenomena beyond the Standard Model.
